The glass is opaque or slightly translucent and largely appears in white. It has a high lead content, which defines it as semi-crystal. All opaline glass is hand-blown and has a rough or polished pontil on the bottom.There are no seams and no machine engraving, and most opaline glass is not branded or signed. These types of light would have originally been found in schools and churches across the country from the early 1900s. This run of 4 is supplied with a cast iron monks cap gallery in keeping with their original style. Rewired with period black braided flex to modern UK standards by a qualified electrician. This item is in the category "Antiques\Architectural Antiques\Chandeliers, Sconces & Lighting Fixtures". The seller is "facinte_0" and is located in this country: GB. This item can be shipped to United Kingdom.